Body and Accessories

All Component Locator

• Theft Deterrent System Component Views
• Theft Deterrent System Components

All Description and Operation

• Vehicle Theft Deterrent (VTD) Description
• Vehicle Theft Deterrent (VTD) Operation

All Special Tools and Equipment

• Special Tools

All Visual Identification

• Theft Deterrent System Connector End Views

Cleaning, Inspection, and Adjustment

• PASSLOCK Reprogramming Auto Learn
• PASSLOCK Reprogramming Seed and Key

Diagnostic Procedures

• Diagnostic System Check - Theft Deterrent
• Diagnostic Trouble Code (DTC) Displaying
• Engine Cranks But Does Not Start
• SECURITY Indicator Always On or Flashing
• SECURITY Indicator Inoperative

Diagnostic Trouble Codes

• DTC B0688 Security System Indicator Circuit High
• DTC B2947 Security System Sensor Power CKT Low
• DTC B2948 Security System Sensor Power CKT High
• DTC B2957 Security System Sensor Data Circuit Low
• DTC B2958 Security System Sensor Data Circuit High
• DTC B2960 Sec Sys Sensor Data Incorrect but Valid
• DTC B3031 Security System Controller in Learn Mode
• DTC B3033 Security System Indicates Tamper
• DTC C0559 EEPROM Checksum Error

Electrical/Electronic Schematic Diagrams

• Theft Deterrent System Schematic Icons
• Theft Deterrent System Schematic References
• Theft Deterrent System Schematics

Electrical/Electronic Specifications

• Scan Tool Data Definitions
• Scan Tool Data List

General Diagnostic Information

• Intermittents and Poor Connections
• Scan Tool Diagnostics

Other Specifications

• GM SPO Group Numbers

Removal, Installation, and Replacement

• Theft Deterrent Module Replacement